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Re: [Nbd] NBD, sparse files & TRIM

On Wed, Dec 29, 2010 at 11:35:19AM -0500, Paul Clements wrote:
> On Wed, Dec 29, 2010 at 10:32 AM, Wouter Verhelst <w@...112...> wrote:
> > - The kernel can now issue TRIM packets.
> >
> > The packet itself could be something like:
> >
> > .type: 3 (NBD_CMD_TRIM, or perhaps NBD_CMD_DELETE, doesn't really matter
> > all that much)
> > .from: offset to trim
> > .len: length of stuff to trim
> Maybe NBD_CMD_DISCARD, since that's the block layer name for it. (TRIM
> is ATA, PUNCH is SCSI).

Yeah, that's probably quite sensible, then.

> Let me put this on my todo list. It shouldn't take too long to code up.

Great, thanks.

The biometric identification system at the gates of the CIA headquarters
works because there's a guard with a large gun making sure no one is
trying to fool the system.

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